Siemens SIMATIC S7-1500 Manual page 22

Address space of AI 8xU/I HS
The following figure shows the address space allocation for the configuration as 8-channel
module. You can freely assign the start address for the module. The addresses of the
channels are derived from the start address.
"IB x", for example represents the module start address input byte x.
Figure 4-2
Analog Input Module AI 8xU/I HS (6ES7531-7NF10-0AB0)
Manual, 07/2014, A5E03484886-AC
Address space for configuration as 1 x 8-channel AI 8xU/I HS with value status
Parameters/address space
4.4 Address space
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